19
Chapter 1: Introduction
Figure 1-8. Motherboard Block Diagram
Chipset Block Diagram
SPI
LAN3 (To CMM)
RGRMII
Debug Card
PCI-E X1 G2
USB 2.0
#14 USB2.0
PCH
621A
6.0 Gb/S
RTL8211FS-VS-CG
ESPI
Temperature Sensor
W83773G *2 (RT1/RT2)
TPM HEADER
BIOS
SPI
AST2600
BMC
#4
BMC Boot Flash
DDR4
7+1 PHASE
300W
D
D
R4
VR13HC
DMI3
DDR4
#1
DMI3
PVCCIN_CPU1 12V_STBY
CPU1
PECI:30
SOCKET ID:0
#2
DMI X4
PCI-E GEN3 X8
SATA0-1
CPU1-A1
D
D
R4
CPU1-B1
D
D
R4
CPU1-C1
266
6/
2933
/32
00
D
D
R4
CPU1-D1
#0
SPI
LBG-1G X1 UPLINK NO QAT (15W)
LAN 10G
X550-AT2
M.2
PCI-E X4
PCI-E X16 G4
266
6/
2933
/32
00
266
6/
2933
/32
00
266
6/
2933
/32
00
PCI-E GEN4 X16
PCI-E GEN3 X8
CPLD
(PFR)
SPI
SPI
NAND
FLASH
1
G
-
1
U
P
C
1
F
-
1
U
P
C
CPU1-H1
D
D
R4
D
D
R4
D
D
R4
D
D
R4
266
6/
2933
/32
00
266
6/
2933
/32
00
266
6/
2933
/32
00
2666
/2
933
/32
00
CPU1-E1
PC
I-E X
16
WIOR
#3A
PCI-E GEN4 X8
PCI-E GEN4 X8
PCI-E TWO X4 G4
WIOL
PC
I-E
X
32
PCI-E TWO X4 G4
6.0 Gb/S
#1
#0
sS
ATA
SATA-DOM
Mini SAS HD
SATA #0~7
SSATA0
PCI-E X4 G3
#0~3
PCI-E X4 G3 (SATA X1)
#8~11
USB 2.0
U
SB
USB 3.0
U
SB
Front USB2.0 x 2
USB 2.0
U
SB
Rear USB2.0 x 2
Front USB3.2 Gen 1 x 2
U
SB
U
SB
Type A USB3.0
Rear USB3.0 x 2
0~15
PCI-E X16 G4
PCI-E X16 G4
#3B
SlimSAS
NVME X2
NVME X2
SlimSAS
I210(LAN1)
PCI-E X1
I210(LAN2)
PCI-E X1
#0
(LANE REVERSE)
#5
SSATA #0~1
(PCIE #6,7)
USB2.0(1,3)
USB2.0(6,12)
USB3.0(3, 4)
USB3.0(6)
USB3.0(1, 2)